|←Author Index: Ha||Yitzhak Ha-katan|
|"Yitzhak Ha-katan" or "Isaac the Younger" is an unknown medieval author; his name is formed from an acrostic in the hymn Hamavdil. Several scholars identify him with Isaac b. Judah ibn Ghayyat of Spain (1030-1089)|
- Hamavdil, medieval Jewish hymn for Yom Kippur
Works by this author published before January 1, 1923 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.